Vulnerabilities > Mattermost > Mattermost Server
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-07-17 | CVE-2023-3613 | Incorrect Authorization vulnerability in Mattermost Server Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default. | 3.5 |
| 2023-07-17 | CVE-2023-3614 | Resource Exhaustion vulnerability in Mattermost Server Mattermost fails to properly validate a gif image file, allowing an attacker to consume a significant amount of server resources, making the server unresponsive for an extended period of time by linking to specially crafted image file. | 3.3 |
| 2023-05-12 | CVE-2023-2515 | Incorrect Authorization vulnerability in Mattermost Server Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin | 8.8 |
| 2023-04-25 | CVE-2023-2281 | Unspecified vulnerability in Mattermost Server When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. | 4.3 |
| 2023-04-17 | CVE-2023-1831 | Cleartext Transmission of Sensitive Information vulnerability in Mattermost Server Mattermost fails to redact from audit logs the user password during user creation and the user password hash in other operations if the experimental audit logging configuration was enabled (ExperimentalAuditSettings section in config). | 7.5 |
| 2023-03-31 | CVE-2023-1774 | Missing Authorization vulnerability in Mattermost Server When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel. | 5.4 |
| 2023-03-31 | CVE-2023-1775 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients. | 6.5 |
| 2023-03-31 | CVE-2023-1776 | Cross-site Scripting vulnerability in Mattermost Server Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file. | 5.4 |
| 2023-03-31 | CVE-2023-1777 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message. | 5.3 |
| 2023-03-15 | CVE-2023-1421 | Cross-site Scripting vulnerability in Mattermost Server A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter. | 6.1 |